645567000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{16553}}^1$

素因数の和:16590

約数の個数: 128

約数和(自身を含む): 2169236160

約数和(自身を除く): 1523669160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 650, 750, 780, 975, 1000, 1300, 1500, 1560, 1625, 1950, 2600, 3000, 3250, 3900, 4875, 6500, 7800, 9750, 13000, 16553, 19500, 33106, 39000, 49659, 66212, 82765, 99318, 132424, 165530, 198636, 215189, 248295, 331060, 397272, 413825, 430378, 496590, 645567, 662120, 827650, 860756, 993180, 1075945, 1241475, 1291134, 1655300, 1721512, 1986360, 2069125, 2151890, 2482950, 2582268, 3227835, 3310600, 4138250, 4303780, 4965900, 5164536, 5379725, 6207375, 6455670, 8276500, 8607560, 9931800, 10759450, 12414750, 12911340, 16139175, 16553000, 21518900, 24829500, 25822680, 26898625, 32278350, 43037800, 49659000, 53797250, 64556700, 80695875, 107594500, 129113400, 161391750, 215189000, 322783500, 645567000]

約数ペア:

[(1, 645567000), (2, 322783500), (3, 215189000), (4, 161391750), (5, 129113400), (6, 107594500), (8, 80695875), (10, 64556700), (12, 53797250), (13, 49659000), (15, 43037800), (20, 32278350), (24, 26898625), (25, 25822680), (26, 24829500), (30, 21518900), (39, 16553000), (40, 16139175), (50, 12911340), (52, 12414750), (60, 10759450), (65, 9931800), (75, 8607560), (78, 8276500), (100, 6455670), (104, 6207375), (120, 5379725), (125, 5164536), (130, 4965900), (150, 4303780), (156, 4138250), (195, 3310600), (200, 3227835), (250, 2582268), (260, 2482950), (300, 2151890), (312, 2069125), (325, 1986360), (375, 1721512), (390, 1655300), (500, 1291134), (520, 1241475), (600, 1075945), (650, 993180), (750, 860756), (780, 827650), (975, 662120), (1000, 645567), (1300, 496590), (1500, 430378), (1560, 413825), (1625, 397272), (1950, 331060), (2600, 248295), (3000, 215189), (3250, 198636), (3900, 165530), (4875, 132424), (6500, 99318), (7800, 82765), (9750, 66212), (13000, 49659), (16553, 39000), (19500, 33106)]